Back to destinations
AI-generated illustrative scene; not a photograph of this destination
AI-generated
Germany

Giessen weather & best time to visit

City break

Giessen at a glance

Best time
Apr – Sep
Warmest month
Jul · 26°
Sunshine a year
1,640 h
Rain a year
662 mm
Climate
Continental
Time zone
UTC+1 / UTC+2
Elevation
162 m

Climate in Giessen

Giessen has mild to warm summers and cold winters with occasional snow. July is the warmest month with average highs of 26 °C, while January is the coolest at 5 °C. With around 1,640 hours of sunshine a year, Giessen is moderately sunny; June is the sunniest month with 7.4 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Giessen

The best time to visit Giessen is from April to September. For sightseeing, day trips and hiking, conditions are most comfortable from April to September. Rain is frequent in December; the wettest month is July with 64 mm.

Giessen through the seasons

How the weather changes over the seasons, with averages for each.

Giessen in spring

Mar – May

60

Good

  • 11–20 °C by day
  • 5.7 h of sun a day
  • 31 rainy days in all

Giessen in summer

Jun – Aug

80

Excellent

  • 23–26 °C by day
  • 7.2 h of sun a day
  • 32 rainy days in all

Giessen in autumn

Sep – Nov

47

Fair

  • 9–20 °C by day
  • 3.2 h of sun a day
  • 31 rainy days in all

Giessen in winter

Dec – Feb

14

Poor

  • 5–6 °C by day
  • 1.8 h of sun a day
  • 34 rainy days in all

Which month for what?

Beach & swimming

No sea nearby

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Apr – Sep

15–28 °C and not too much rain

Rainy months

Dec

Rainy season or more than 12 rainy days

Snow

Dec – Jan

Snow on 2 or more days

Find your perfect month

Tell us what you like and we rate every month in Giessen for you.

Sunshine
Little rain

Your best months: June – August

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

47

Holiday weather in October

Fair

Best time to visit: April – September

A typical day in October

  1. Morning, 08:00: about 7°
  2. Midday, 13:00: about 14°
  3. Afternoon, 16:00: about 14°
  4. Evening, 20:00: about 11°
  5. Night, 23:00: about 9°

07:4618:36

Cold evenings: bring a warm jacket.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 07:26–08:31 · evening 17:51–18:56
Blue hour
Morning 07:13–07:26 · evening 18:56–19:09

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

October in Giessen compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 17° at the start of the month to 11° at the end. The days get 1.8 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high17°11°
Night-time low8°5°
Daylight11.7 h9.9 h

What is the weather like in Giessen in October?

In October, Giessen is cool: daytime highs average 14 °C, and nights cool down to about 6 °C. The sun is scarce, with only about 3.1 hours a day. Rain is frequent, with about 11 rainy days and 57 mm in total. All in all, October is a so-so month for a holiday in Giessen.

More details for October

Daylight
10 h 50 min07:46 – 18:36
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
15 km/haverage daily peakAll months
Cloud cover
71 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+2offset from UTC

How the score comes together

  • Temperatureweight 50 %64 %
  • Sunshineweight 20 %2 %
  • Few rainy daysweight 30 %50 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in October

  • A jumper for the evenings
  • Rain jacket or umbrella

Compare two months in Giessen

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

June has the better holiday weather in Giessen: score 81 against 47. In June, days are 9 °C warmer than in October. June has one rainy day fewer. The sun shines 4 hours longer a day in June.

October vs June, Giessen
MonthOctoberJune
Holiday weather score4781better
Daytime high14°23°
Night-time low6°12°
Sunshine3.1 h7.4 hbetter
Rainy days1110better
Rainfall57 mm55 mm

Based on the climate averages 1996–2025.

Giessen month by month

The typical weather for every month at a glance.

15January5° · 1.5 h

In January, Giessen is cold: daytime highs average 5 °C, and nights often drop below freezing (−1 °C). The sun is scarce, with only about 1.5 hours a day. Rain is frequent, with about 11 rainy days and 55 mm in total. Snow falls on about 2 days. All in all, January is not an ideal month for a holiday in Giessen.

Giessen in January
17February6° · 2.7 h

In February, Giessen is cold: daytime highs average 6 °C, and nights often drop below freezing (−1 °C). The sun is scarce, with only about 2.7 hours a day. Rain is frequent, with about 10 rainy days and 47 mm in total. Snow falls on about 2 days. All in all, February is not an ideal month for a holiday in Giessen.

Giessen in February
34March11° · 4.2 h

In March, Giessen is cool: daytime highs average 11 °C, and nights cool down to about 2 °C. Expect around 4.2 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 48 mm in total. All in all, March is not an ideal month for a holiday in Giessen.

Giessen in March
67April16° · 6.2 h

In April, Giessen is cool: daytime highs average 16 °C, and nights cool down to about 5 °C. Expect around 6.2 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 46 mm in total. All in all, April is a good month for a holiday in Giessen.

Giessen in April
78May20° · 6.7 h

In May, Giessen is mild: daytime highs average 20 °C, and nights cool down to about 9 °C. The sun shines for around 6.7 hours a day. Rain is frequent, with about 11 rainy days and 62 mm in total. All in all, May is a good month for a holiday in Giessen.

Giessen in May
81June23° · 7.4 h

In June, Giessen is warm: daytime highs average 23 °C, and nights cool down to about 12 °C. The sun shines for around 7.4 hours a day. Rain is frequent, with about 10 rainy days and 55 mm in total. All in all, June is an excellent month for a holiday in Giessen.

Giessen in June
78July26° · 7.3 h

In July, Giessen is warm: daytime highs average 26 °C, and nights cool down to about 14 °C. The sun shines for around 7.3 hours a day. Rain is frequent, with about 12 rainy days and 64 mm in total. All in all, July is a good month for a holiday in Giessen.

Giessen in July
80August25° · 7.0 h

In August, Giessen is warm: daytime highs average 25 °C, and nights cool down to about 13 °C. The sun shines for around 7.0 hours a day. Rain is frequent, with about 10 rainy days and 59 mm in total. All in all, August is an excellent month for a holiday in Giessen.

Giessen in August
77September20° · 5.1 h

In September, Giessen is mild: daytime highs average 20 °C, and nights cool down to about 10 °C. Expect around 5.1 hours of sunshine a day. Rain falls on about 9 days, adding up to 53 mm. All in all, September is a good month for a holiday in Giessen.

Giessen in September
47October14° · 3.1 h

In October, Giessen is cool: daytime highs average 14 °C, and nights cool down to about 6 °C. The sun is scarce, with only about 3.1 hours a day. Rain is frequent, with about 11 rainy days and 57 mm in total. All in all, October is a so-so month for a holiday in Giessen.

Giessen in October
16November9° · 1.4 h

In November, Giessen is cold: daytime highs average 9 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 1.4 hours a day. Rain is frequent, with about 12 rainy days and 57 mm in total. All in all, November is not an ideal month for a holiday in Giessen.

Giessen in November
11December5° · 1.1 h

In December, Giessen is cold: daytime highs average 5 °C, and nights cool down to about 0 °C. The sun is scarce, with only about 1.1 hours a day. Rain is frequent, with about 13 rainy days and 61 mm in total. Snow falls on about 2 days. All in all, December is not an ideal month for a holiday in Giessen.

Giessen in December

Climate in detail

Year & climate table

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Giessen

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Frost below 0°
  • Cold 0–8°
  • Cool 8–15°

ColdOctober: nights around 6°. The room should be heated.

The coolest nights are in January (−1°), the warmest in July (14°). Nights fall below 8 °C on average from October to April, so the room should be heated.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 14°Night 6°
DayNight
MonthScoreDayNightSunRain daysRain mm
JanuaryJan155°−1°1.5 h1155
FebruaryFeb176°−1°2.7 h1047
MarchMar3411°2°4.2 h1048
AprilApr6716°5°6.2 h1046
MayMay7820°9°6.7 h1162
JuneJun8123°12°7.4 h1055
JulyJul7826°14°7.3 h1264
AugustAug8025°13°7.0 h1059
SeptemberSep7720°10°5.1 h953
OctoberOct4714°6°3.1 h1157
NovemberNov169°3°1.4 h1257
DecemberDec115°0°1.1 h1361

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

50.59° N, 8.68° E · 162 m · Europe/Berlin

Sunshine
Sunshine

Sunshine hours in Giessen

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
1,640 hours
Sunniest month
Jun · 7.4 h a day
Least sunshine
Dec · 1.1 h a day
OctoberSunshine 3.1 hDaylight 10.8 hShare of daylight 29 %
SunshineDaylight

In October, the sun shines for about 3.1 of 10.8 hours of daylight in Giessen, 29 % of the daylight hours.

Sunshine hours: measured at the weather station 3 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.

Rain
Rain

Rain in Giessen: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
662 mm on 129 days
Wettest month
Jul · 64 mm
Driest month
Apr · 46 mm
OctoberRainy days 11Rainfall 57 mm

In October, Giessen has about 11 rainy days with 57 mm of rain in total.

UV index
Sun protection

UV index in Giessen

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
2 · lowLittle protection needed; sunglasses on bright days.

The sun is strongest in June (UV 8).

Minutes until sunburn in October

Very fair skin
about 65 min
Fair skin
about 80 min
Light brown skin
about 110 min
Olive skin
over 2 h

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Wind & clouds
Wind & clouds

Wind and clouds in Giessen

How breezy and how cloudy Giessen is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
15 km/h · gentle breeze
Windiest month
Feb · 17 km/h
Calmest month
Aug · 14 km/h
OctoberWind 15 km/hBeaufort 3

In October, the wind in Giessen typically peaks at 15 km/h during the day: Beaufort 3, gentle breeze.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
67 % · mostly cloudy
Clearest month
Aug · 57 %
Cloudiest month
Dec · 80 %
OctoberCloud cover 71 %Sunshine 3.1 h

In October, cloud covers on average 71 % of the sky over Giessen: mostly cloudy, with about 3.1 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity
Heat & humidity

Heat and humidity in Giessen

How often the day gets hot in Giessen (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
10 days
Hottest month
Jul · 26 °C
Hot months
none

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 0Daytime high 14 °C

In October, Giessen has about 0 hot days, with an average daytime high of 14 °C: pleasant. Heat plays no part this month.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Snow
Snow

Snow in Giessen

Snow is possible in Giessen, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.

Snow days a year
8 days
Fresh snow a year
27 cm
Snow possible
Dec – Feb

Snow calendar

  • hardly any
  • possible
  • likely
  • very likely
OctoberDays with fresh snow 0Fresh snow 0 cmChance of snow 0 / 100

In October, it hardly ever snows in Giessen.

Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.

Planning a trip to Giessen

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Giessen in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Giessen has its best school-holiday weather during May half-term (score 79) and its weakest during the Christmas holidays (score 13).

  • Easter holidays

    Mar – Apr

    57

    Fair

    • 14 °C by day
    • 5.6 h of sun a day
    • 10 rainy days a month
  • May half-term

    May – Jun

    79

    GoodBest holidays

    • 20 °C by day
    • 6.8 h of sun a day
    • 11 rainy days a month

    Good for: Sightseeing & walks

  • Summer holidays

    Jul – Aug

    79

    Good

    • 25 °C by day
    • 7.1 h of sun a day
    • 11 rainy days a month

    Good for: Sightseeing & walks

  • October half-term

    Oct

    47

    Fair

    • 14 °C by day
    • 3.1 h of sun a day
    • 11 rainy days a month
  • Christmas holidays

    Dec – Jan

    13

    Poor

    • 5 °C by day
    • 1.3 h of sun a day
    • 12 rainy days a month

    Keep in mind: Frequent rain, Snow

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 1 h 15 min
Distance
650 km
Time zone
UTC+2
Jet lag
Hardly any (under 3 h)

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Good to know: Germany

Currency
Euro (EUR)
Language
German
Sockets
Type C, F · 230 V
Traffic
Drives on the right
Dialling code
+49
Emergency number
112

UK plugs need a travel adapter

Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.

Compare & alternatives

Compare with another place
Compare

Giessen compared

Put Giessen side by side with another destination.

Nearby:
Compare with home:

Giessen vs Marburg

In October the holiday weather in Giessen and Marburg is about equally good (score 47 vs 44). During the day it is about as warm in Marburg as in Giessen.

Giessen vs Marburg, in October
in OctoberGiessenMarburg
Holiday weather score4744
Daytime high14°14°
Sunshine3 h3 h
Rainy days1111
Best timeApr – SepMay – Sep

Through the year

OctoberGiessen 14°Marburg 14°
GiessenMarburg
Go to Marburg
Best places in the country
Ranking

Germany in October: the best places

In October, Giessen ranks 16 among the 31 nearest destinations in this country.

  1. Bad Dürkheim16°58
  2. 2Worms16°55
  3. 3Hanau16°54
  4. 4Bonn16°54
  5. 5Mannheim16°54
  6. 6Frankfurt16°53
  7. 7Cologne16°52
  8. 8Bad Kreuznach15°51
  9. 16GiessenThis page14°47
All destinations: Germany
Places nearby

Near Giessen

Other destinations close by.

Places with a similar climate

Places with a climate like Giessen

Destinations whose weather through the year is closest to Giessen's – good alternatives.

  1. 91 % similar51LeipzigGermany15°Best time: Apr – Sep
  2. 91 % similar52DiekirchLuxembourg15°Best time: Apr – Sep
  3. 91 % similar48BambergGermany15°Best time: Apr – Sep
  4. 90 % similar47LuxembourgLuxembourg15°Best time: Apr – Sep

Frequently asked questions about Giessen

When is the best time to visit Giessen?

The best time to visit Giessen is from April to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

What is the warmest month in Giessen?

July is the warmest month, with average highs of 26 °C and nights around 14 °C. January is the coolest month at 5 °C.

When does it rain most in Giessen?

Rain is frequent in December; the wettest month is July with 64 mm. The driest month is April with 46 mm.

How many hours of sunshine does Giessen get?

Giessen gets around 1,640 hours of sunshine a year. The sunniest month is June with 7.4 hours a day; in December there are 1.1 hours a day.

What time zone is Giessen in?

Giessen is on UTC+1 in January and UTC+2 in July.

How long is the flight from London to Giessen?

A nonstop flight from London to Giessen takes about 1 h 15 min, for a straight-line distance of about 650 km.

Which school holidays are best for Giessen?

Giessen has its best school-holiday weather during May half-term (score 79) and its weakest during the Christmas holidays (score 13). Holiday ratings (0–100): Easter holidays 57, May half-term 79, summer holidays 79, October half-term 47, Christmas holidays 13.